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  <a name="ZH-CN_TOPIC_0000001937668597"></a><a name="ZH-CN_TOPIC_0000001937668597"></a>
  <h1 class="topictitle1">管理NDMP NAS文件系统副本</h1>
  <div>
   <p>系统支持对副本数据执行相关操作。</p>
   <p>选择<span class="uicontrol">“<span id="ZH-CN_TOPIC_0000001937668597__zh-cn_topic_0000001839142377_text79731210144915">数据利用</span> &gt; <span id="ZH-CN_TOPIC_0000001937668597__zh-cn_topic_0000001839142377_text797381084918">副本数据</span> &gt; 文件系统 &gt; <span id="ZH-CN_TOPIC_0000001937668597__zh-cn_topic_0000001839142377_text75601138121416">NAS文件系统</span>”</span>，进入NDMP NAS文件系统副本页面。</p>
   <ul>
    <li>单击“<span>副本</span>”以副本维度执行相关操作。<p>具体操作任务如<a href="#ZH-CN_TOPIC_0000001937668597__table51069596392">表1</a>所示。</p>
     <div class="tablenoborder">
      <a name="ZH-CN_TOPIC_0000001937668597__table51069596392"></a><a name="table51069596392"></a>
      <table cellpadding="4" cellspacing="0" summary="" id="ZH-CN_TOPIC_0000001937668597__table51069596392" frame="border" border="1" rules="all">
       <caption>
        <b>表1 </b>副本相关操作
       </caption>
       <colgroup>
        <col style="width:21.32%">
        <col style="width:47.339999999999996%">
        <col style="width:31.34%">
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       <thead align="left">
        <tr>
         <th align="left" class="cellrowborder" valign="top" width="21.32%" id="mcps1.3.3.1.3.2.4.1.1"><p>任务</p></th>
         <th align="left" class="cellrowborder" valign="top" width="47.339999999999996%" id="mcps1.3.3.1.3.2.4.1.2"><p>任务描述</p></th>
         <th align="left" class="cellrowborder" valign="top" width="31.34%" id="mcps1.3.3.1.3.2.4.1.3"><p>界面入口</p></th>
        </tr>
       </thead>
       <tbody>
        <tr>
         <td class="cellrowborder" valign="top" width="21.32%" headers="mcps1.3.3.1.3.2.4.1.1 "><p>修改副本保留策略</p></td>
         <td class="cellrowborder" valign="top" width="47.339999999999996%" headers="mcps1.3.3.1.3.2.4.1.2 "><p><strong>操作背景</strong></p> <p>当您需要重新设置副本的保留时长时，可以通过该操作实现。</p> <p><strong>注意事项</strong></p> <p>修改后从当前时间开始计算副本保留时长。</p></td>
         <td class="cellrowborder" valign="top" width="31.34%" headers="mcps1.3.3.1.3.2.4.1.3 "><p>在副本所在行单击<span class="uicontrol">“<span>更多</span> &gt; <span>修改保留策略</span>”</span>。</p> <p>您可以设置为永久保留或保留xx天/周/月/年。</p> <p></p></td>
        </tr>
        <tr>
         <td class="cellrowborder" valign="top" width="21.32%" headers="mcps1.3.3.1.3.2.4.1.1 "><p>删除副本</p> <p></p></td>
         <td class="cellrowborder" valign="top" width="47.339999999999996%" headers="mcps1.3.3.1.3.2.4.1.2 "><p><strong>操作背景</strong></p> <p>当您不再需要某个副本或某个副本不可用时，可以删除该副本，以释放存储空间。</p> <p><strong>注意事项</strong></p>
          <ul>
           <li>删除副本前，请确认不再使用该副本执行恢复操作。</li>
           <li>副本状态为<span class="uicontrol">“无效”</span>或者<span class="uicontrol">“<span>正常</span>”</span>时可以被删除，其他状态的副本不允许被删除。</li>
           <li>同一资源有多个副本时，最新的副本不允许被删除。</li>
           <li>同一资源下存在多个副本时，仅存在一个全量复制副本时，不允许删除该全量复制副本。</li>
           <li>防勒索检测中的副本不允许删除。</li>
          </ul></td>
         <td class="cellrowborder" valign="top" width="31.34%" headers="mcps1.3.3.1.3.2.4.1.3 "><p>在副本所在行单击<span class="uicontrol" id="ZH-CN_TOPIC_0000001937668597__zh-cn_topic_0000001839143185_uicontrol1191243144810">“<span id="ZH-CN_TOPIC_0000001937668597__zh-cn_topic_0000001839143185_text08681706483">更多</span> &gt; <span id="ZH-CN_TOPIC_0000001937668597__zh-cn_topic_0000001839143185_text037173134817">删除</span>”</span>，或勾选待删除副本后单击列表上方的“<span id="ZH-CN_TOPIC_0000001937668597__zh-cn_topic_0000001839143185_text7770103919243">删除</span>”。</p></td>
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     <div class="note">
      <img src="public_sys-resources/note_3.0-zh-cn.png"><span class="notetitle"> </span>
      <div class="notebody">
       <p>恢复的配置类似<a href="zh-cn_topic_0000001897309010.html">恢复NDMP NAS文件系统</a>，本节不再重复说明。</p>
      </div>
     </div></li>
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     <strong>父主题：</strong> <a href="zh-cn_topic_0000001937668533.html">副本</a>
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